BOX GP-SERVICE CENTER 3826647 - Caterpillar

START BY:a. remove fuel transfer pump1. Drain the coolant from the engine cooling system. 2. Disconnect wire terminal (4) from the coolant flow switch.3. Disconnect heater hose (1) from the valve.4. Remove clips (2) that fasten the fuel lines to the adapter.5. Remove four bolts (5) that fasten adapter (3) to the water pump and remove adapter (3). 6. Remove the four bolts that fasten elbow (6) to the oil pump and remove elbow (6). 7. Disconnect hose (12) from bonnet (8).8. Loosen two bolts (10) to provide clearance for removal of bonnet (8). Remove bolts (9) and remove bonnet (8) and tube (7). 9. Remove fuel line (16) from the primary fuel filter.10. Remove bolts (13) and (14) and remove bracket (18).11. Remove four bolts (15) that fasten elbow (17) to the bottom of the oil pump. 12. Install tooling (A) and attach a hoist. Remove the last bolt that fastens oil pump (19) to the accessary drive and remove the pump. The weight of the pump is 34 kg (74 lb.).13. Check all seals and gaskets for wear or damage and replace if necessary.14. Lubricate all seals with clean engine oil or glycerine during assembly.15. The oil pump must turn freely by hand before installation.16. Fill the oil pump with clean engine oil before installation of elbow (6).17. Install the engine oil pump in the reverse order of removal.END BY:a. install fuel transfer pumpDisassemble Oil Pump
START BY:a. remove oil pump
Cover (2) has spring tension under it. To prevent personal injury, loosen bolts (1) slowly and the same amount to remove the tension under the cover.
1. Remove bolts (1), cover (2), gasket (3), spring (4) and valve spool (5) from the pump body. 2. Remove cover assembly (6) and the gasket from the pump body. 3. Remove cover assembly (7) from the pump body. 4. Use tooling (A) to remove bearings (8) from cover assembly (7). 5. Remove shaft assemblies (10) from body assembly (9). 6. Use a press to remove gears (11) from the shaft assemblies. 7. Use tooling (A) to remove bearings (12) from body assembly (9).Assemble Oil Pump
1. Make an alignment of bearings (1) so that the joints are 45 15° from a line through the center of the bearing bores as shown.2. Use tooling (A) to install bearing (1) in the body assembly until they are 1.5 0.5 mm (.06 .02 in.) below the gear bore in the body assembly. Check the inside diameter of the bearings after installation. The diameter must be 31.811 0.013 mm (1.2524 .0005 in.). 3. Heat gears (2) to a maximum temperature of 316° C (600°F).4. Install the gears on shaft assemblies (3) until they are 64.0 0.5 mm (2.52 .02 in.) from the cover end of the shaft assemblies to the face of the gears and 47.0 0.5 mm (1.85 .02 in.) from the fuel pump drive end of shaft assembly (4). 5. Install shaft assemblies (3) and